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In this photo made Thursday, Jan. 24, 2013, in Chicago, University of Illinois-Chicago computer scientist Jason Leigh, co-inventor of the CAVE2 virtual reality system, stands in the CAVE2 where the system's 72 stereoscopic liquid crystal display panels encircles the viewer 320 degrees and creates a 3D environment that can take you to the bridge of the Starship Enterprise, a flyover the planet Mars, or through the blood vessels of the brain. (AP Photo/Charles Rex Arbogast)
/ AP